Ihe mejupụtara kemịkal nke ASTM A928 na-enweghị isi s318803 Wedded tubeng
Industlọ ọrụ na-arụ ọrụ na-egbochi corrosion. Mkpa ọrụ a pụrụ ịdabere na ya na-eduga na nnabata na uto ha n'akụkụ ike, ahụike na gburugburu ebe obibi, mmanụ na gas, ọgwụ na-emepụta ihe gas na-eme mkpọtụ.
ASTM A928 na-enweghị isi s31803 Wedded tuber na-emepụta na China
ASTM A790 na-enweghị isi s31803 bụ nkọwapụta na usoro. Ihe ahụ bụ alloy nke chromium na molybdenum na ya. Agbakwunye nke ihe ndị a na-eme ka ọkpọkọ sie ike ma sie ike corrosion na-eguzogide. SA 790 enweghị S31803 Otu nke Super Duplex Duplex nke siri ike na corrosion na-eguzogide. A na-ekewa akara mmụta Duplex ụzọ atọ dị ka Duplex, Dabere na Super Douplex. A na-eji Super Duplex dị maka ngwa ndị akọwapụtara nke na-arụ ọrụ n'okpuru okpomọkụ dị elu. Oseihe nwokeBETT Weld Pipe FitS31803 (ASTM F51) A na-ekwupụta nkọwa nke ukwuu site na S32205 (1.4462, ASTM F60). Nke a na-egosi na ha ga-emeli ihe mgbochi Allonoon, ekele maka mmepe nke usoro aid na-enye ohere maka ịchịkwa njikọta. Na mgbakwunye, ọ na-ekwe ka emetụta nkọ na-enweghị ọkwa kama ịbụ naanị ịnọ dị ka ihe ndabere. Ya mere, kacha elu na-eme akara use na-achọ ime ka ọdịnaya nke Chromium (cr), molybdemum (molybdenum (m) na nitrogen (n).

A na-ejikarị eriri carbon, emepụtara na ASTM A105, a na-ejikarị ngwa piping. Ndị a agbagharala ngwakọta carbon nke carbon (gụnyere flanges, ihe dị mma, na valves, wdg) maka ndị agha na-arụ ọrụ na sistemụ nrụgide. A1055n, nke edoziri ya na tozuru etozu ¡±, na-egosiputa ag205 Ichekwa onodu a ka edoziri. Ọ bụrụ na a na-eji ndị na-echefu ihe maka ngwa Asme BPVC ma ọ bụ Asme B31, ihe ahụ ga-abụ otu ihe ya bụ SA-105 ma ọ bụ nke 105 ma ọ bụ 105n. Na nkenke, ikpo ọkụ nke ịdịgide na-amata ọdịiche A1057 site na A105, ma ọ bụ Sa-105n site na Sa-105. ASTM A105 Flinge bụ nkọwapụta nke flanges. Nkọwapụta ahụ nwere ike ịgụnye akara mmụta dị iche iche nke ihe anaghị agba nchara mere fnags. Franges bụ nke ichefu carbon ígwè ma bu n'uche maka ọrụ okpomọkụ dị elu.
Usoro na-emepụta usoro na-enwu ọkụ \ / ọrụ na-ekpo ọkụ, oyi mpịakọta
| Sesotho | Igwe anaghị agba nchara |
| Klirgyz | Malagasy |
| Ikebalam | Chochewa |
| Lishuanian | Malagasy |
| Pashto | Dadan |
| Amharic | Corsican |
| Samoria | 4.50 – 6.50 |
| Hawaian | 21.00 – 21.30 |
| Vaietname | 2.50 – 3.50 |
| 2.00 Max | 0.08 – 0.20 |
Igwe anaghị agba nchara na-ekpo ọkụ
| 0.03 max | Uzbek | |
| Ike Tenle, min, Ksi, [MPA] | 90 [ 620] | |
| Uwe eji igwe anaghị agba nchara & rods | 65 [450] | |
| 316 Cound Stless ígwè 50mm | 25 | |
| Haitian Creole | Urdu | Igbo |
| 290 | 30 | |